Maytag RFS12MPS Service Manual

1CommercialRAmana® is a Registered Trademark of Maytag Corporation. Brand used under license.Service Training ManualRFS ModelsRFS - 60 HzAugust 201116

8Models RFS12MPSB, RFS12SW2B, RFS12SW2C, RFS12TS(W)RFS18MPS, RFS18TSPower Source     60 Hz

9RFS 60 Hz Quick StartReference GuideControl Panel· Manual operation· Programming items· Qty 2X Pad Clean Filter User Options· Changin

10Refer to Product Safety Manual for Safety Statements Complete Owner’s Manual available onlineManual OperationT

11Part No.12804405 Quick Start Reference GuideRefer to Product Safety Manual for Safety Statements Complete Owner’s Manual available onlineCan I chang

12RFS 60 Hz Components Location42011 RFS Training Manual.indd 12 10/3/2011 8:36:40 AM

13Components LocationTransformerInterlockSwitchControl PanelOven DoorTopStirrer MotorCavityTCOH.V.CapacitorDiodeMagnetronsMagnetronTCO’sBlower MotorTr

14DisassemblyDoor removal· DisassemblyControl panel removal · Wire terminals 52011 RFS Training Manual.indd 14 10/3/2011 8:36:41 AM

15Disassembly1. Disconnect power to oven. 2. Open oven door, remove top hinge cap, and slowly lift door to disengage the hinge pins at top and botto

16Disassembly 1. Disconnect power to oven and remove outer case. 2. Disconnect and label wires from controller/timer. 3. Open oven door. 4. Remove

17Performance TestingProcedures62011 RFS Training Manual.indd 17 10/3/2011 8:36:43 AM

Table of ContentsImportant Safety Information...1-5

18Performance Testing Procedures !WARNI NG To avoid risk of electrical shock, personal injury or death, disconnect power to oven and discharge capacit

19Component Testing Procedures72011 RFS Training Manual.indd 19 10/3/2011 8:36:44 AM

20 !WARNI NG To avoid risk of electrical shock, personal injury or death, disconnect power to oven and discharge capacitor before servicing, unless t

21Component Testing Procedures !WARNI NG To avoid risk of electrical shock, personal injury or death, disconnect power to oven and discharge capacitor

22Component Testing Procedures RFS12*!WARNI NG To avoid risk of electrical shock, personal injury or death, disconnect power to oven and discharge cap

23Component Testing Procedures RFS18* !WARNI NG To avoid risk of electrical shock, personal injury or death, disconnect power to oven and discharge ca

24Troubleshooting82011 RFS Training Manual.indd 24 10/3/2011 8:36:47 AM

25Troubleshooting1. Check grounding before checking for trouble.2. Be careful of the high voltage circuit.3. Discharge the high voltage capacitor.4. W

26TroubleshootingTrouble 1: The following visual conditions indicate a probable failed control circuit.1. Incomplete segments. Segment missing. Par

27TroubleshootingCONDITION CHECK RESULT CAUSE REMEDY1. Fuse blows. Continuity.No continuity.Continuity.Shorted contact atthe primary switch.No continu

1Important Safety Information12011 RFS Training Manual.indd 1 10/3/2011 8:36:35 AM

28TroubleshootingTrouble 3: Display shows all           TART

29TroubleshootingCONDITION CHECK RESULT CAUSE REMEDYNo microwaveoscillation.No continuity.Continuity.Defective PCBassemblyReplace PCBassemblyDisconnec

30Schematic / Wiring Diagrams 92011 RFS Training Manual.indd 30 10/3/2011 8:36:49 AM

31Schematic / Wiring Diagram RFS12MPSB, RFS12SW2BBTM PRIMARY INTERLOCK SWITCHDANGER! HIGH VOLTAGE 2011 RFS Training Manual.indd 31 10/3/2011 8:36:

32Schematic / Wiring Diagram RFS12SW2CDANGER! HIGH VOLTAGE 2011 RFS Training Manual.indd 32 10/3/2011 8:36:50 AM

33Schematic / Wiring Diagram RFS12TS(W)BTM PRIMARY INTERLOCK SWITCHTAB 1TAB 22011 RFS Training Manual.indd 33 10/3/2011 8:36:50 AM

34Schematic / Wiring Diagram RFS18MPS !WARNING To avoid risk of electrical shock, personal injury or death, disconnect power to oven and discharge ca

35Schematic / Wiring Diagram RFS18TS !WARNI NG To avoid risk of electrical shock, personal injury or death, disconnect power to oven and discharge cap

¤ www.acpsolutions.com2011 RFS Training Manual.indd 36 10/3/2011

2Important Notices for Servicers and ConsumersACP will not be responsible for personal injury or property damage from improper service procedures. Pri

3Important Safety InformationWARNING!Read the following information to avoid possible exposure to microwave radiation:The basic design of the Microwa

4PRECAUTIONS TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGYA. DO NOT

5IMPORTANT SAFETY INSTRUCTIONSSAVE THESE INSTRUCTIONS 

6RFS 60 Hz SpecicationsInstallation· Unpacking the oven· Radio Interference· Oven PlacementPower Specication· Input- Power Source· Output- Power Sou

7Unpacking Oven   